Product Details
- Product name: Pentair 520670 IntelliChlor Acid Washing Kit
- Brand: Pentair
- Model number: 520670
- Product type: Acid washing kit / salt cell cleaning accessory
- Compatible models: IntelliChlor IC15, IC20, IC40, and IC60
- Product dimensions: 6.75 x 3.5 x 3.5 inches
- Item weight: 4.8 ounces
- Use: Helps clean mineral and calcium buildup from compatible IntelliChlor salt cells
- Best for: Pool owners maintaining Pentair IntelliChlor salt chlorine generator systems
- Note: Use only as directed by the manufacturer and follow proper acid-handling safety instructions
Compatibility and Use
This acid washing kit is designed for compatible Pentair IntelliChlor salt cells and may be used when visible calcium scale or mineral buildup affects chlorine production or water flow. It is a maintenance accessory, not a replacement salt cell or power center.
If your salt cell itself needs replacement, compare compatible options such as the Pentair IntelliChlor IC40 salt chlorine generator cell or the Pentair IntelliChlor IC20 salt chlorine generator cell before buying a cleaning kit.
Why Salt Cell Cleaning Matters
Salt cells can develop scale over time, especially when pool water chemistry is not balanced. Cleaning the cell can help restore better flow through the plates and may reduce performance issues caused by buildup.
For larger IntelliChlor systems, related replacement options like the Pentair IntelliChlor IC60 salt chlorine generator cell can help buyers compare whether they need a cleaning kit or a full replacement cell.
Installation and Cleaning Notes
Turn off power to the salt chlorine generator before removing the cell. Remove the cell according to the system manual, attach the acid washing kit securely, and only use the manufacturer-recommended cleaning mixture and contact time.
Do not over-clean the cell or use harsh tools on the internal plates. If the cell does not improve after cleaning, the issue may be related to the cell age, power center, flow sensor, water chemistry, or control system.
Related Pentair System Parts
This kit is mainly for cleaning the IntelliChlor cell. If your system has power or control issues, review compatible equipment like the Pentair IntelliChlor power center instead of assuming the salt cell needs acid washing.
For buyers who want a similar aftermarket cleaning option, the 520670 acid washing kit replacement for IntelliChlor may also be compared before choosing the right maintenance part.
Before Buying
Check your IntelliChlor model number, cell condition, and salt system manual before ordering. This kit is useful for maintenance, but it will not fix a failed salt cell, damaged circuit board, bad flow switch, or incorrect water chemistry.
You may also check the Amazon product page for current availability, buyer reviews, product images, and fitment questions before purchase.










